Dear sir,
NO,you can not take 1/2T minimum thickness qualification as per ASME Sec IX .
with Regards
A. I. Shende
Gansons Ltd Nagpur
On Sat, 28 Sep 2013 11:48:15 +0530 wrote
> Dear All,I have following two question related to qualification of WPS and PQR with impact
testing.1. As per ASME IX para 403.6: where T is less than 1⁄4 in.(6 mm), the minimum
thickness qualified is 1⁄2T.my question is, if i have a material MTC stating thickness 6.4 mm,
can i refer as 1/4" in PQR/WPS to get the benefit
of 1/2 T qualification range.2. As per project specification, if heat input range varies
considerably in different passes, then additional impact test is required from different
passes. If a test piece thickness is 6.4 mm, is it practical to take impact test specimen from
different passes.Your valuable reply will be highly appreciated.With best regards,Ahmed H.ABSG
Consulting, KSA
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